> ## Documentation Index
> Fetch the complete documentation index at: https://baileys.wiki/llms.txt
> Use this file to discover all available pages before exploring further.

# ISenderKeyStateStructure

> Protobuf interface ISenderKeyStateStructure generated from WAProto.

Defined in: [WAProto/index.d.ts:10779](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10779)

## Properties

### senderChainKey?

> `optional` **senderChainKey**: `null` | [`ISenderChainKey`](/proto-reference/SenderKeyStateStructure/interfaces/ISenderChainKey)

Defined in: [WAProto/index.d.ts:10781](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10781)

***

### senderKeyId?

> `optional` **senderKeyId**: `null` | `number`

Defined in: [WAProto/index.d.ts:10780](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10780)

***

### senderMessageKeys?

> `optional` **senderMessageKeys**: `null` | [`ISenderMessageKey`](/proto-reference/SenderKeyStateStructure/interfaces/ISenderMessageKey)\[]

Defined in: [WAProto/index.d.ts:10783](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10783)

***

### senderSigningKey?

> `optional` **senderSigningKey**: `null` | [`ISenderSigningKey`](/proto-reference/SenderKeyStateStructure/interfaces/ISenderSigningKey)

Defined in: [WAProto/index.d.ts:10782](https://github.com/WhiskeySockets/Baileys/blob/master/WAProto/index.d.ts#L10782)